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camaro5 · 12-17-2008, 08:13 PM

^ The PCM is ALWAYS pushing the timing advance to allow a slight amount of detonation.

The value of the piezo-electric sensor is seen by the PCM as a voltage.

Higher voltage means more det.

12-17-2008, 08:13 PM	#71
camaro5 Drives: X-15 Velocipede Join Date: Mar 2008 Location: SW Florida Posts: 4,630	^ The PCM is ALWAYS pushing the timing advance to allow a slight amount of detonation. The value of the piezo-electric sensor is seen by the PCM as a voltage. Higher voltage means more det.